Absence seizure
Absence seizure
An Absence seizure (pronounced: ab-suhns see-zhur) is a type of epilepsy that is characterized by brief, sudden lapses of consciousness. These seizures are more common in children than in adults and are often mistaken for daydreaming or inattention.
Etymology
The term "absence" comes from the Latin word "absentia," which means "being away." It was first used in this context in the 19th century by French physicians who noticed that patients experiencing these seizures seemed to be "absent" or "away" during the episodes.
Symptoms
Symptoms of an absence seizure include:
- Staring into space
- Lip smacking or chewing movements
- Fluttering eyelids
- Hand gestures
- Slight body movement, such as swaying
- Confusion or disorientation after the seizure
Causes
The exact cause of absence seizures is unknown, but they are thought to be related to genetic factors. They are more common in children who have a family history of seizures or epilepsy.
Treatment
Treatment for absence seizures typically involves medication. The most commonly used drugs are ethosuximide, valproic acid, and lamotrigine. In some cases, a ketogenic diet or vagus nerve stimulation may be recommended.
Related Terms
- Epilepsy
- Seizure
- Generalized seizures
- Petit mal seizures - an outdated term for absence seizures
- Aura - a warning sign of an impending seizure
- Postictal state - the period after a seizure
External links
- Medical encyclopedia article on Absence seizure
- Wikipedia's article - Absence seizure
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